Perhaps you should try some spelling variations:
"exactas matematicas computer programming." » "exactas matematicas como programming.", "exactas matematicas comics programming.", "exactas matematicas computer programs.", "exactas matematicas computer programsming."
"basicas mathematics computer program." » "basicas matematicas computer program.", "business mathematics computer program.", "basicas mathematics computer programs."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("exactas matematicas computer programming.") or ("basicas mathematics computer program."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("exactas matematicas computer programming.") OR ("basicas mathematics computer program.")).
• Removing quotes may allow a broader search: (( exactas matematicas computer programming. ) or ( basicas mathematics computer program. )).
• Adding a wildcard symbol may retrieve word variants: (("exactas matematicas computer programming.") or ("basicas mathematics computer program."))*.